+ $newmail_changetitle == 'on') &&
+ /**
+ * make sure that $newmail_unseen_notify is set to supported value,
+ * currently (1.5.2cvs) SMPREF_UNSEEN_NORMAL has highest integer value
+ * in SMPREF_UNSEEN constants
+ */
+ ($newmail_unseen_notify > SMPREF_UNSEEN_NONE && $newmail_unseen_notify <= SMPREF_UNSEEN_NORMAL)) {